1 [NEW!] Sports vocabulary : Words for popular American sports. [ 2 NEW!] Air Travel: Useful words for traveling on airplanes and through airports. 3  The Environment: Vocabulary related to environmental science and climate change.  Family members: Relatives and other important people.
diffusion coefficient see diffusion coefficient. coefficient of digestibility the proportion of a food that is digested compared to what is absorbed, expressed as a percentage. dilution coefficient a number that expresses the effectiveness of a disinfectant for a given organism.
A=Îµcl. where: A is the absorption at a particular wavelength. Îµ is the extinction coefficient for the compound at the wavelength at which. the absorption is measured and is characteristic for the compound. c is the concentration of the compound and is independent of wavelength. l is the path length through which the light is passing.